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Armin Kuster
feb1ac93fd
Affects < 9.2 (From OE-Core rev: 125c77be468adf8b3be8d00f99d80bd77f7d2e1e) Signed-off-by: Armin Kuster <akuster@mvista.com> Signed-off-by: Armin Kuster <akuster808@gmail.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
45 lines
1.2 KiB
Diff
45 lines
1.2 KiB
Diff
From a4f1b58eb48b349a5f353bc69c30be553506d33b Mon Sep 17 00:00:00 2001
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From: rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
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Date: Thu, 25 Jul 2019 10:48:26 +0000
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Subject: [PATCH] 2019-07-25 Richard Biener <rguenther@suse.de>
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PR lto/90924
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Backport from mainline
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2019-07-12 Ren Kimura <rkx1209dev@gmail.com>
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* simple-object-elf.c (simple_object_elf_match): Check zero value
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shstrndx.
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-8-branch@273794 138bc75d-0d04-0410-961f-82ee72b054a4
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Upstream-Status: Backport
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Affectes: < 9.2
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CVE: CVE-2019-14250
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Dropped changelog
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Signed-off-by: Armin Kuster <Akustre@mvista.com>
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---
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libiberty/simple-object-elf.c | 8 ++++++++
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2 files changed, 17 insertions(+)
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Index: gcc-8.2.0/libiberty/simple-object-elf.c
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===================================================================
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--- gcc-8.2.0.orig/libiberty/simple-object-elf.c
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+++ gcc-8.2.0/libiberty/simple-object-elf.c
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@@ -549,6 +549,14 @@ simple_object_elf_match (unsigned char h
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return NULL;
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}
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+ if (eor->shstrndx == 0)
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+ {
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+ *errmsg = "invalid ELF shstrndx == 0";
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+ *err = 0;
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+ XDELETE (eor);
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+ return NULL;
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+ }
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+
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return (void *) eor;
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}
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